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Sida aan ognahay, hadda waxaa jira laba nooc oo PFC ah, mid waa PFC passive (oo sidoo kale loo yaqaan 'passive PFC), ka kalena waxaa loo yaqaannaa koronto firfircoon.(sidoo kale loo yaqaan PFC firfircoon).

Passive PFC guud ahaan waxa loo qaybiyaa "nooc magdhowga inductance" iyo "nooca wareegga dooxa-buuxinta".

"Mag-dhowrka Inductance" waa in la dhimo faraqa u dhexeeya heerka aasaasiga ah ee hadda iyo tamarta AC si loo hagaajiyo qodobka awoodda."Mag-dhowrka soo-jiidashada" waxaa ku jira aamusnaan iyo aamusnaan la'aan, iyo qodobka awoodda "magdhowga inductance" wuxuu gaari karaa oo keliya 0.7 ~ 0.8, taas oo guud ahaan u dhow capacitor filter-voltage-ka sare.

"Nooca wareegga wareegga dooxa-buuxinta" waxaa iska leh nooc cusub oo ah wareegga sixitaanka qodobka awoodda dadban, kaas oo lagu garto adeegsiga wareegga buuxinta dooxa ee ka dambeeya buundada hagaajinta si ay si weyn u caadiyeyso xagasha gudbinta ee tuubada toosiyaha.Wadnaha garaaca ayaa noqda qaab mawjad u dhow mawjadda sinaha, iyo qodobka awoodda ayaa la kordhiyaa ilaa 0.9.Marka la barbar dhigo wareegga sixitaanka awoodda inductive ee dhaqan dhaqameed, faa'iidooyinka ayaa ah in wareeggu fudud yahay, saamaynta korantadu waa mid muhiim ah, looma baahna in la isticmaalo inductor mugga weyn ee wareegga wax-gelinta.

ThePFC firfircoonwuxuu ka kooban yahay inductors, capacitors, iyo qaybaha elektarooniga ah.Way yar tahay cabbirkeedu waxayna isticmaashaa IC u go'an si ay u hagaajiso qaab-dhismeedka hadda jira si ay u magdhowdo farqiga u dhexeeya furayaasha hadda iyo danabka.PFC fir fircoon waxay gaari kartaa awood sare, badiyaa ilaa 98% ama ka badan, laakiin qiimuhu waa ka sarreeyaa.Intaa waxaa dheer, PFC firfircoon sidoo kale waxaa loo isticmaali karaa sidii sahay koronto caawiye ah.Sidaa darteed, isticmaalka wareegyada firfircoon ee PFC, transformers-yada heeganka ah ayaa badanaa looma baahna, iyo qulqulka wax soo saarka DC ee PFC firfircoon waa mid aad u yar, iyo qodobkan uma baahna in la isticmaalo capacitor filtarka ee awoodda joogtada ah ee joogtada ah.